Home / 140,963,796.95-211,653,260.54-78,836,832.18

Finding the Fourth Proportional to 140,963,796.95, 211,653,260.54 and 78,836,832.18

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Solution

The fourth proportional to 140,963,796.95, 211,653,260.54 and 78,836,832.18 is: 118,371,333.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,963,796.95 : 211,653,260.54 = 78,836,832.18 : x
  2. Step 2: Convert to fraction form
    140,963,796.95/211,653,260.54 = 78,836,832.18/x
  3. Step 3: Cross multiply
    140,963,796.95x = 211,653,260.54 × 78,836,832.18
  4. Step 4: Simplify right side
    140,963,796.95x = 16,686,072,581,147,614
  5. Step 5: Solve for x
    x = 16,686,072,581,147,614/140,963,796.95
  6. Step 6: Final answer
    x = 118,371,333.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.